#### Improvements 🧹

- Improves cluster arrangements and edge routing
- Positions shapes closer to neighbors outside its own container
- Reduce edge routing runtime by ~10%
- Improves hierarchy algorithm to place objects at different levels when appropriate

#### Bugfixes ⛑️

- Fixes a rare `panic` while reducing gap between nodes
- Fixes a rare `panic` with sequences (connected `step` shapes)
- Fixes a rare panic with clusters
- Fixes a rare panic when children of a container are connected to different childrens of different containers
- Fixes an error where a connection route sometimes couldn't be found from a center step of a sequence